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/* =========================================================================================
* Copyright © 2013-2017 the kamon project <http://kamon.io/>
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the
* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied. See the License for the specific language governing permissions
* and limitations under the License.
* =========================================================================================
*/
package kamon.metric
import java.util.Collections.{singletonMap => javaMap}
import kamon.Kamon
import org.scalatest.{Matchers, WordSpec}
class MetricLookupSpec extends WordSpec with Matchers {
"the Kamon companion object" can {
"lookup a metric and" should {
"always return the same histogram metric" in {
val histogramOne = Kamon.histogram("histogram-lookup")
val histogramTwo = Kamon.histogram("histogram-lookup")
histogramOne shouldBe theSameInstanceAs(histogramTwo)
}
"always return the same counter metric" in {
val counterOne = Kamon.counter("counter-lookup")
val counterTwo = Kamon.counter("counter-lookup")
counterOne shouldBe theSameInstanceAs(counterTwo)
}
"always return the same gauge metric" in {
val gaugeOne = Kamon.gauge("gauge-lookup")
val gaugeTwo = Kamon.gauge("gauge-lookup")
gaugeOne shouldBe theSameInstanceAs(gaugeTwo)
}
"always return the same min-max-counter metric" in {
val minMaxCounterOne = Kamon.minMaxCounter("min-max-counter-lookup")
val minMaxCounterTwo = Kamon.minMaxCounter("min-max-counter-lookup")
minMaxCounterOne shouldBe theSameInstanceAs(minMaxCounterTwo)
}
}
"refine a metric with tags and" should {
"always return the same histogram for a set of tags" in {
val histogramOne = Kamon.histogram("histogram-lookup").refine("tag" -> "value")
val histogramTwo = Kamon.histogram("histogram-lookup").refine("tag" -> "value")
val histogramThree = Kamon.histogram("histogram-lookup").refine(javaMap("tag", "value"))
histogramOne shouldBe theSameInstanceAs(histogramTwo)
histogramOne shouldBe theSameInstanceAs(histogramThree)
}
"always return the same counter for a set of tags" in {
val counterOne = Kamon.counter("counter-lookup").refine("tag" -> "value")
val counterTwo = Kamon.counter("counter-lookup").refine("tag" -> "value")
val counterThree = Kamon.counter("counter-lookup").refine(javaMap("tag", "value"))
counterOne shouldBe theSameInstanceAs(counterTwo)
counterOne shouldBe theSameInstanceAs(counterThree)
}
"always return the same gauge for a set of tags" in {
val gaugeOne = Kamon.gauge("gauge-lookup").refine("tag" -> "value")
val gaugeTwo = Kamon.gauge("gauge-lookup").refine("tag" -> "value")
val gaugeThree = Kamon.gauge("gauge-lookup").refine(javaMap("tag", "value"))
gaugeOne shouldBe theSameInstanceAs(gaugeTwo)
gaugeOne shouldBe theSameInstanceAs(gaugeThree)
}
"always return the same min-max-counter for a set of tags" in {
val minMaxCounterOne = Kamon.minMaxCounter("min-max-counter-lookup").refine("tag" -> "value")
val minMaxCounterTwo = Kamon.minMaxCounter("min-max-counter-lookup").refine("tag" -> "value")
val minMaxCounterThree = Kamon.minMaxCounter("min-max-counter-lookup").refine(javaMap("tag", "value"))
minMaxCounterOne shouldBe theSameInstanceAs(minMaxCounterTwo)
minMaxCounterOne shouldBe theSameInstanceAs(minMaxCounterThree)
}
}
}
}
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